Modelo de Regressão
##
## Call:
## lm(formula = media ~ tipo + MED_CAT_0 + MED_MHA, data = treinoENEM)
##
## Residuals:
## Min 1Q Median 3Q Max
## -56.927 -14.437 -1.484 10.707 136.200
##
## Coefficients:
## Estimate Std. Error t value Pr(>|t|)
## (Intercept) 491.1866 12.6083 38.957 < 2e-16 ***
## tipoETE 21.8478 4.4656 4.892 1.45e-06 ***
## tipoFederal 71.5948 7.9345 9.023 < 2e-16 ***
## tipoPrivada 82.9777 6.6369 12.502 < 2e-16 ***
## tipoRegular 19.8008 6.4463 3.072 0.00227 **
## MED_CAT_0 -1.5609 0.1347 -11.589 < 2e-16 ***
## MED_MHA 1.9511 1.3129 1.486 0.13804
## ---
## Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
##
## Residual standard error: 22.05 on 400 degrees of freedom
## Multiple R-squared: 0.7251, Adjusted R-squared: 0.721
## F-statistic: 175.9 on 6 and 400 DF, p-value: < 2.2e-16